Chessigma – Free Unlimited Chess Game Analysis & Reports

# Chessigma > Free unlimited chess game analysis and puzzle training platform. No signup required. Runs Stockfish 17 client-side via WebAssembly. Chessigma lets players analyze Chess.com, Lichess, or PGN games with full engine reports — every move graded, opening identified, accuracy calculated. No daily limits, no paywall. The platform also offers 4M+ free chess puzzles with adaptive Elo tracking, a daily puzzle with streaks, and a community leaderboard for brilliant moves. Available in English, French, Spanish, Russian, Hindi, and Arabic. ## Core Products - [Game Analysis](https://www.chessigma.com/products/analysis): Free unlimited chess game analysis with Stockfish 17 — accuracy %, move grades (Brilliant → Blunder), evaluation graph, best moves - [Chess Puzzles](https://www.chessigma.com/products/puzzles): 4M+ free puzzles from real games with Elo tracking, adaptive difficulty, and global leaderboard ## Tools - [Chess Analysis](https://www.chessigma.com/): Enter a Chess.com/Lichess username or PGN to analyze any game instantly - [Daily Puzzle](https://www.chessigma.com/daily): A new chess puzzle every day with streak tracking - [Elo Calculator](https://www.chessigma.com/tools/elo-calculator): Calculate expected Elo rating changes for FIDE, Chess.com, and Lichess - [Best Next Move](https://www.chessigma.com/tools/next-move): Set up any board position and find the best move with Stockfish 17 - [Brilliant Moves Leaderboard](https://www.chessigma.com/leaderboard): Community-voted brilliant moves ranked globally - [Chess Wrapped 2025](https://www.chessigma.com/wrapped): Your chess year in review — stats, personality, highlights - [MCP Server](https://www.chessigma.com/developers/mcp): Chessigma's chess tools in Claude, ChatGPT and any MCP client: opening guides, opening names from moves, position and game facts, the daily puzzle, Elo estimates. Read-only, no sign-in ## Blog - [Blog](https://www.chessigma.com/blog): Chess analysis guides, tutorials, an

{"openapi":"3.1.0","info":{"title":"Chessigma Public API","version":"1.0.0","description":"Free, no-auth API for the Chessigma chess analysis platform. Submit games (PGN) for analysis, read analysis results, compute Elo rating changes, and fetch the daily puzzle. Chess engine analysis runs client-side in the browser (Stockfish WebAssembly), so this API is compute-free: GET /game/{gameId} returns analysis only after a user has opened the game page and triggered it. No signup, no API key, no paywa